# TaxJar — developer ecosystem report

> Making sales tax filing easier for more than 20,000 online sellers and merchants across the world.

- GitHub org: `taxjar`
- Category: saas
- Overall score: 39.0 / 100
- Overall rank: #496
- Last refreshed: 2026-08-20

## Pillar scores

| Pillar | Score / 100 | Rank | Weight in overall |
| --- | --- | --- | --- |
| Code & Polish | 63.0 | #183 | ~22% |
| Education | 73.0 | #285 | ~18% |
| AI readiness | 20.0 | #586 | part of Reach |
| Builder experience | 0.0 | #1 | ~12% |
| Community | 27.0 | #572 | ~16% |
| Reach | 51.0 | #295 | ~18% |
| Momentum | 34.0 | #430 | ~14% |

## Links

- GitHub: https://github.com/taxjar
- Website: https://www.taxjar.com
- Docs: https://developers.taxjar.com

## Public GitHub totals

| Metric | Value |
| --- | --- |
| Repos analyzed | 12 |
| Stars | 491 |
| Forks | 280 |
| Open issues | 101 |
| Contributors | — |

## Top repositories

| Repo | Stars | Language | Description |
| --- | --- | --- | --- |
| [date_time_parser](https://github.com/taxjar/date_time_parser) | 79 | Elixir | Parse strings into DateTime, NaiveDateTime, Date, or Time https://hexdocs.pm/date_time_parser |
| [taxjar-php](https://github.com/taxjar/taxjar-php) | 71 | PHP | Sales Tax API Client for PHP 5.5+ |
| [taxjar-node](https://github.com/taxjar/taxjar-node) | 57 | JavaScript | Sales Tax API Client for Node |
| [taxjar-ruby](https://github.com/taxjar/taxjar-ruby) | 56 | Ruby | Sales Tax API Client for Ruby |
| [taxjar-woocommerce-plugin](https://github.com/taxjar/taxjar-woocommerce-plugin) | 31 | PHP | WooCommerce Sales Tax Plugin by TaxJar |
| [taxjar-python](https://github.com/taxjar/taxjar-python) | 30 | Python | Sales Tax API Client for Python 2.6+ / Python 3+ |
| [taxjar.net](https://github.com/taxjar/taxjar.net) | 26 | C# | Sales Tax API Client for .NET / C# |
| [taxjar-magento2-extension](https://github.com/taxjar/taxjar-magento2-extension) | 24 | PHP | Magento 2 Sales Tax Extension by TaxJar |
| [vat_check](https://github.com/taxjar/vat_check) | 22 | Ruby | Validate EU VAT numbers the easy way with VIES! |
| [vue-airtable-demo](https://github.com/taxjar/vue-airtable-demo) | 22 | JavaScript | Sample Vue.js / Webpack project with Airtable component. |
| [help_scout-sdk](https://github.com/taxjar/help_scout-sdk) | 18 | Ruby | Ruby Help Scout (aka HelpScout) SDK Using Mailbox API v2.0 |
| [taxjar-go](https://github.com/taxjar/taxjar-go) | 17 | Go | Sales Tax API Client for Go |

## Methodology

Scores are computed from public signals only (GitHub, package registries, docs sites, community platforms). Pillar definitions: https://www.smoower.com/docs.md

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